| 摘要 |
A device for motion tracking includes at least one object for reflecting light, an optical signal transmitting/receiving unit and a calculating/processing unit. The object includes a surface, a first reflecting pattern and a second reflecting pattern, wherein the first reflecting pattern and the second reflecting pattern are respectively located on the surface, and the first reflecting pattern is different from the second reflecting pattern. The optical signal transmitting/receiving unit transmits infrared light and receives the infrared light reflected by the object so as to form a plurality of pixel signals. The calculating/processing unit is electrically connected to the optical signal transmitting/receiving unit for calculating and processing the correlative pixel signals.
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